/*
package com.zjn.config;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

*/
/*验证登录的拦截器*//*

public class LoginHandlerInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //登录成功后,应该有用户的session
        Object loginUser = request.getSession().getAttribute("loginUser");
        boolean flag = false;
        if (loginUser == null){     //登录失败
            request.setAttribute("msg","您没有登录");
            request.getRequestDispatcher("/index.html").forward(request,response);
        }else {     //登录成功
            flag = true;
        }
        return flag;
    }
}
*/
